A fuse control system and method using a defective mode detection, in which an overcurrent protective fuse and a signal fuse capable of performing a function under various conditions in order to protect a circuit are integrated. Thus, it is possible to protect the circuit even in states such as overvoltage, a high temperature, a low temperature, and other dangerous states in addition to an overcurrent state and a short-circuited state. In addition, it is possible to reduce a wide design space and design cost which result from various kinds of fuses being used in series, and to simplify a circuit configuration. Consequently, since circuit resistance is reduced, it is possible to have a positive influence on a battery.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A fuse control system using a defective mode detection, the system comprising: a protective capsule filled with an electrically non-conductive filler material; an overcurrent fuse positioned within the protective capsule and configured to be fused when a value of a current flowing in a circuit is equal to or greater than a threshold value; a heat generator positioned in the protective capsule and configured to generate heat to fuse the overcurrent fuse, wherein the heat generator is located sufficiently close to the overcurrent fuse to fuse the overcurrent fuse; a switch configured to change a conduction state of a current applied to the heat generator; and a controller configured to: generate a defective mode signal; and control an operation state of the switch to turn it into an ON state when the defective mode signal is generated, wherein the protective capsule, the overcurrent fuse, the heat generator, the switch, and the controller are integrated to form a module.
This invention relates to a fuse control system designed to detect and respond to defective modes in electrical circuits. The system includes a protective capsule filled with an electrically non-conductive material, housing an overcurrent fuse that activates when the circuit current exceeds a predefined threshold. A heat generator, positioned near the fuse, provides localized heating to intentionally trigger the fuse when needed. A switch regulates the current supplied to the heat generator, while a controller monitors the system and generates a defective mode signal upon detecting an abnormal condition. When such a signal is generated, the controller activates the switch, allowing current to flow to the heat generator, which then heats and fuses the overcurrent fuse. The entire assembly—protective capsule, fuse, heat generator, switch, and controller—is integrated into a single module, ensuring compactness and reliability. This system enhances safety by proactively disabling circuits in defective states, preventing potential damage or hazards. The integration of all components simplifies installation and maintenance while ensuring rapid response to overcurrent conditions.
2. The fuse control system of claim 1 , further comprising: a temperature sensor configured to: measure a temperature of a power source in the circuit; and transmit the measured temperature to the controller; a voltage sensor configured to: measure a voltage of the power source in the circuit; and transmit the measured voltage to the controller; and a current sensor configured to: measure a current flowing in the circuit; and transmit the measured current to the controller.
A fuse control system monitors and manages electrical circuits to prevent overheating, overvoltage, and overcurrent conditions. The system includes a controller that regulates a fuse element to control current flow in the circuit. To enhance safety and performance, the system incorporates additional sensors. A temperature sensor measures the temperature of the power source in the circuit and transmits this data to the controller. A voltage sensor measures the voltage of the power source and sends this information to the controller. A current sensor measures the current flowing in the circuit and relays this data to the controller. The controller uses these measurements to adjust the fuse element, ensuring the circuit operates within safe parameters. This prevents damage to the circuit and connected devices by detecting and responding to abnormal conditions such as excessive heat, voltage spikes, or current surges. The system provides real-time monitoring and dynamic control, improving reliability and safety in electrical systems.
3. The fuse control system of claim 2 , wherein the defective mode signal includes at least one of: a first defective mode signal generated by the controller when the measured voltage is greater than a threshold voltage value; a second defective mode signal generated by the controller when the measured current is greater than a threshold current value; a third defective mode signal generated by the controller when the measured temperature is greater than a threshold temperature; or a fourth defective mode signal generated by the controller in response to a condition that requires the overcurrent fuse to be fused other than the measured voltage being greater than the threshold voltage value, the measured current being greater than the threshold current value and the measured temperature being greater than the threshold temperature.
A fuse control system monitors electrical parameters to detect and respond to defective conditions in an overcurrent fuse. The system measures voltage, current, and temperature associated with the fuse and compares these values against predefined thresholds. If the measured voltage exceeds a threshold voltage, the controller generates a first defective mode signal. Similarly, if the measured current exceeds a threshold current, a second defective mode signal is generated. If the measured temperature exceeds a threshold temperature, a third defective mode signal is produced. Additionally, the controller can generate a fourth defective mode signal in response to other conditions that necessitate fusing the overcurrent fuse, even if the voltage, current, and temperature measurements do not individually exceed their respective thresholds. These defective mode signals trigger appropriate actions to address the detected issues, ensuring safe and reliable operation of the fuse. The system enhances fault detection and response capabilities by considering multiple parameters and conditions, improving overall system safety.
4. The fuse control system of claim 2 , wherein the current sensor is electrically connected to a resistor on the circuit so as to measure a current value of the resistor.
A fuse control system is designed to monitor and manage electrical circuits to prevent overcurrent conditions. The system includes a current sensor that measures the electrical current flowing through a circuit. In this configuration, the current sensor is electrically connected to a resistor within the circuit, allowing it to measure the current value across the resistor. By monitoring the current through the resistor, the system can detect abnormal current levels that may indicate a fault or overcurrent condition. The measured current data is then used to trigger protective actions, such as activating a fuse or disconnecting the circuit, to prevent damage to the electrical system. This approach ensures accurate current measurement by leveraging the resistor's known resistance value, improving the reliability of the fuse control system. The system may also include additional components, such as a microcontroller or relay, to process the current data and execute the necessary protective measures. This design is particularly useful in applications where precise current monitoring is required to maintain system safety and performance.
5. The fuse control system of claim 1 , wherein when the overcurrent fuse has been fused, the controller is configured to control the operation state of the switch to not turn into the ON state.
A fuse control system monitors and manages electrical circuits to prevent damage from overcurrent conditions. The system includes an overcurrent fuse that disconnects the circuit when excessive current is detected, a switch that controls circuit connectivity, and a controller that regulates the switch's operation. The controller ensures the switch remains in an OFF state when the fuse has been triggered, preventing the circuit from re-energizing and potentially causing further damage. This feature enhances safety by maintaining the circuit's isolation until the fuse is replaced or the fault is resolved. The system may also include additional components, such as current sensors, to detect overcurrent conditions and communicate with the controller to trigger the fuse or adjust the switch state accordingly. The controller's logic ensures that the switch cannot be turned ON if the fuse is blown, thereby preventing unintended circuit reactivation. This design is particularly useful in applications where circuit protection and reliability are critical, such as industrial machinery, automotive systems, or power distribution networks. The system's automated response to fuse activation reduces the risk of human error and improves overall system safety.
6. The fuse control system of claim 1 , wherein the heat generator is connected to the overcurrent fuse by a thermally conductive element configured to transfer from the heat generator to the overcurrent fuse an amount of heat sufficient to fuse the overcurrent fuse.
This invention relates to a fuse control system designed to manage overcurrent protection in electrical circuits. The system addresses the challenge of reliably triggering an overcurrent fuse when excessive current is detected, ensuring circuit safety. The core innovation involves a heat generator that is thermally coupled to the overcurrent fuse via a thermally conductive element. This element transfers heat from the heat generator to the fuse, generating enough thermal energy to intentionally fuse the overcurrent fuse when needed. The heat generator can be activated by an external signal, allowing controlled activation of the fuse. The thermally conductive element ensures efficient heat transfer, enabling precise and reliable fuse operation. This design enhances safety by providing a mechanism to intentionally trigger the fuse under specific conditions, such as during maintenance or testing, or in response to detected faults. The system improves overcurrent protection by ensuring the fuse can be activated both automatically and manually, reducing the risk of circuit damage or failure.
7. The fuse control system of claim 6 , wherein the filler material is sand, and wherein the thermally conductive element is copper.
A fuse control system is designed to manage the operation of fuses in electrical circuits, particularly in high-power applications where overheating and failure are concerns. The system includes a fuse housing containing a fuse element and a filler material that surrounds the fuse element. The filler material is sand, which provides thermal insulation and mechanical support. A thermally conductive element, made of copper, is integrated into the system to facilitate heat dissipation from the fuse element. The copper element ensures efficient heat transfer away from the fuse, preventing localized overheating and extending the fuse's operational lifespan. The system may also include a monitoring component to detect temperature or current levels, triggering protective actions if thresholds are exceeded. This design improves reliability and safety in electrical systems by mitigating thermal stress on the fuse and surrounding components. The use of sand as a filler material balances insulation and structural stability, while copper's high thermal conductivity ensures effective heat management. The system is particularly useful in industrial or high-voltage applications where fuses are subjected to extreme conditions.
8. The fuse control system of claim 1 , wherein the switch and the controller are positioned outside of the protective capsule.
A fuse control system is designed to manage electrical fuses in high-voltage or high-current applications, particularly where the fuse operates within a protective capsule to contain arcing or other hazardous events. The system includes a switch and a controller that regulate the electrical connection to the fuse, ensuring safe operation and fault detection. The switch controls the flow of current to the fuse, while the controller monitors and adjusts the system based on operational conditions. To enhance safety and accessibility, the switch and controller are positioned outside the protective capsule, allowing for easier maintenance and reduced risk of exposure to internal hazards. This external placement also simplifies integration with external monitoring and control systems. The system may include additional features such as fault detection, remote operation, and protective mechanisms to prevent overcurrent or short-circuit events. The design ensures reliable fuse operation while minimizing the risk of damage or injury from internal arcing or other failures.
9. A fuse control method using a defective mode detection, the method comprising: generating, by a controller, a defective mode signal; controlling, by the controller, an operation state of a switch to turn it into an ON state when the defective mode signal is generated; applying a current to a heat generator by the operation state of the switch being in the ON state; and fusing an overcurrent fuse positioned in a protective capsule filled with an electrically non-conductive filler material by heat generated by the heat generator positioned in the protective capsule and located sufficiently close to the overcurrent fuse to fuse the overcurrent fuse when the defective mode signal is generated.
This invention relates to a fuse control method for detecting and responding to defective modes in electrical systems. The method addresses the problem of ensuring reliable disconnection of electrical circuits in the event of a detected defect, preventing potential damage or hazards. The system includes a controller that generates a defective mode signal when a fault or abnormal condition is detected. Upon receiving this signal, the controller activates a switch to an ON state, allowing current to flow to a heat generator. The heat generator, positioned within a protective capsule filled with an electrically non-conductive filler material, produces heat when energized. The heat is transferred to an overcurrent fuse also located within the capsule, causing it to fuse and interrupt the circuit. The heat generator must be placed close enough to the fuse to ensure reliable fusing when the defective mode signal is generated. This method ensures rapid and controlled disconnection of the circuit in response to detected defects, enhancing system safety and reliability. The protective capsule and non-conductive filler material prevent electrical interference while maintaining the integrity of the fusing process.
10. The fuse control method of claim 9 , further comprising: measuring, by a temperature sensor, a temperature of a power source in the circuit; transmitting, by the temperature sensor, the measured temperature to the controller; measuring, by a voltage sensor, a voltage of the power source in the circuit; transmitting, by the voltage sensor, the measured voltage to the controller; measuring, by a current sensor, a current flowing in the circuit; and transmitting, by the current sensor, the measured current to the controller.
The invention relates to a fuse control method for monitoring and managing electrical circuits to prevent overcurrent, overvoltage, or overheating conditions. The method involves using a controller to detect and respond to faults in a circuit by measuring key electrical parameters. The controller receives temperature data from a temperature sensor monitoring the power source, ensuring the circuit operates within safe thermal limits. Additionally, a voltage sensor measures the power source's voltage, allowing the controller to detect overvoltage conditions. A current sensor measures the current flowing through the circuit, enabling the controller to identify overcurrent situations. The controller processes these measurements to determine whether the circuit is operating safely or if a fault condition exists. If a fault is detected, the controller can trigger a fuse to interrupt the circuit, protecting the system from damage. This method enhances circuit safety by continuously monitoring multiple parameters and taking corrective action when necessary. The invention is particularly useful in applications where reliable fault detection and protection are critical, such as in industrial, automotive, or consumer electronics systems.
11. The fuse control method of claim 10 , wherein measuring of the current flowing in the circuit includes measuring, by the current sensor, a current value of a resistor on the circuit, wherein the current sensor is electrically connected to the resistor.
This invention relates to a fuse control method for monitoring and managing electrical circuits to prevent overcurrent conditions. The method involves measuring the current flowing in a circuit to detect potential faults or excessive current levels. Specifically, the current is measured by a current sensor that is electrically connected to a resistor within the circuit. The resistor serves as a reference point for current measurement, allowing the sensor to accurately determine the current value. The measured current data is then used to assess whether the circuit is operating within safe parameters. If an overcurrent condition is detected, the method triggers a protective action, such as disconnecting the circuit or reducing power to prevent damage. The system ensures reliable and precise current monitoring, enhancing electrical safety in applications where overcurrent protection is critical. The method is particularly useful in industrial, automotive, or consumer electronics where circuit protection is essential. By integrating a dedicated current sensor with a resistor, the system provides a robust solution for real-time current monitoring and fault detection.
12. The fuse control method of claim 10 , wherein generating the defective mode signal is performed by the controller when at least one of: (i) the measured voltage is greater than a threshold voltage value; (ii) the measured current is greater than a threshold current value; (iii) the measured temperature is greater than a threshold temperature; or (iv) a condition that requires the overcurrent fuse to be fused other than conditions (i), (ii) or (iii).
A fuse control method is used in electronic systems to protect circuits from overcurrent, overvoltage, or overheating conditions. The method involves monitoring electrical parameters such as voltage, current, and temperature to detect abnormal conditions that could damage the system. When any of these parameters exceeds predefined threshold values, a controller generates a defective mode signal to trigger an overcurrent fuse, disconnecting the circuit and preventing further damage. The method also accounts for other conditions that may require fusing, beyond just voltage, current, or temperature thresholds. The controller continuously evaluates these parameters and conditions to ensure timely and accurate activation of the fuse, enhancing system reliability and safety. This approach is particularly useful in applications where precise and adaptive protection is needed, such as in power electronics, automotive systems, or industrial equipment. The method ensures that the fuse is activated only when necessary, minimizing unnecessary disconnections while maintaining robust protection.
13. The fuse control method of claim 9 , wherein controlling the operation state of the switch includes controlling, by the controller, the operation state of the switch to not turn into the ON state when the overcurrent fuse has been fused.
A fuse control method for electrical systems addresses the problem of ensuring safe operation when an overcurrent fuse has been fused, preventing unintended power flow. The method involves a controller monitoring the state of an overcurrent fuse and controlling a switch to prevent it from turning on if the fuse has been fused. The switch is part of a circuit that includes the fuse, and the controller determines whether the fuse is intact or fused. If the fuse is fused, the controller ensures the switch remains in the OFF state, preventing current from flowing through the circuit. This method enhances safety by avoiding potential hazards from power flow through a fused fuse. The controller may use various techniques to detect the fuse state, such as voltage or current sensing. The switch can be any type of controllable switch, such as a relay or semiconductor switch, and the method applies to any electrical system where fuse protection is required. The invention ensures that the system remains in a safe state when the fuse has been activated, preventing damage or hazards from overcurrent conditions.
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August 5, 2019
April 12, 2022
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